src/gtk/fontdlg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        gtk/fontdlg.cpp
   3 // Purpose:     wxFontDialog
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #ifdef __GNUG__
  11 #pragma implementation "fontdlg.h"
  12 #endif
  13
  14 #include "wx/defs.h"
  15
  16 #if wxUSE_FONTDLG
  17
  18 #include "wx/fontutil.h"
  19 #include "wx/fontdlg.h"
  20 #include "wx/utils.h"
  21 #include "wx/intl.h"
  22 #include "wx/debug.h"
  23 #include "wx/msgdlg.h"
  24
  25 #include "wx/gtk/private.h"
  26
  27 //-----------------------------------------------------------------------------
  28 // idle system
  29 //-----------------------------------------------------------------------------
  30
  31 extern void wxapp_install_idle_handler();
  32 extern bool g_isIdle;
  33
  34 //-----------------------------------------------------------------------------
  35 // "delete_event"
  36 //-----------------------------------------------------------------------------
  37
  38 static
  39 bool gtk_fontdialog_delete_callback( GtkWidget *WXUNUSED(widget), GdkEvent *WXUNUSED(event), wxDialog *win )
  40 {
  41     if (g_isIdle)
  42         wxapp_install_idle_handler();
  43
  44 /*
  45     printf( "OnDelete from " );
  46     if (win->GetClassInfo() && win->GetClassInfo()->GetClassName())
  47         printf( win->GetClassInfo()->GetClassName() );
  48     printf( ".\n" );
  49 */
  50
  51     win->Close();
  52
  53     return TRUE;
  54 }
  55
  56 //-----------------------------------------------------------------------------
  57 // "clicked" for OK-button
  58 //-----------------------------------------------------------------------------
  59
  60 #ifdef __WXGTK12__
  61 static
  62 void gtk_fontdialog_ok_callback( GtkWidget *WXUNUSED(widget), wxFontDialog *dialog )
  63 {
  64     if (g_isIdle)
  65         wxapp_install_idle_handler();
  66
  67     GtkFontSelectionDialog *fontdlg = GTK_FONT_SELECTION_DIALOG(dialog->m_widget);
  68     GdkFont *gfont = gtk_font_selection_dialog_get_font(fontdlg);
  69
  70     if (!gfont)
  71     {
  72         wxMessageBox(_("Please choose a valid font."), _("Error"),
  73                      wxOK | wxICON_ERROR);
  74         return;
  75     }
  76
  77     gchar *fontname = gtk_font_selection_dialog_get_font_name(fontdlg);
  78
  79     dialog->SetChosenFont(fontname);
  80
  81     g_free( fontname );
  82
  83     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK);
  84     event.SetEventObject( dialog );
  85     dialog->GetEventHandler()->ProcessEvent( event );
  86 }
  87 #endif // GTK+ 1.2 and later only
  88
  89 //-----------------------------------------------------------------------------
  90 // "clicked" for Cancel-button
  91 //-----------------------------------------------------------------------------
  92
  93 static
  94 void gtk_fontdialog_cancel_callback( GtkWidget *WXUNUSED(w), wxFontDialog *dialog )
  95 {
  96     if (g_isIdle)
  97         wxapp_install_idle_handler();
  98
  99     wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL);
 100     event.SetEventObject( dialog );
 101     dialog->GetEventHandler()->ProcessEvent( event );
 102 }
 103
 104 //-----------------------------------------------------------------------------
 105 // wxFontDialog
 106 //-----------------------------------------------------------------------------
 107
 108 IMPLEMENT_DYNAMIC_CLASS(wxFontDialog, wxDialog)
 109
 110 bool wxFontDialog::DoCreate(wxWindow *parent)
 111 {
 112     m_needParent = FALSE;
 113
 114     if (!PreCreation( parent, wxDefaultPosition, wxDefaultSize ) ||
 115         !CreateBase( parent, -1, wxDefaultPosition, wxDefaultSize, wxDEFAULT_DIALOG_STYLE,
 116                      wxDefaultValidator, wxT("fontdialog") ))
 117     {
 118         wxFAIL_MSG( wxT("wxFontDialog creation failed") );
 119         return FALSE;
 120     }
 121
 122     wxString m_message( _("Choose font") );
 123     m_widget = gtk_font_selection_dialog_new( m_message.mbc_str() );
 124
 125     int x = (gdk_screen_width () - 400) / 2;
 126     int y = (gdk_screen_height () - 400) / 2;
 127     gtk_widget_set_uposition( m_widget, x, y );
 128
 129     GtkFontSelectionDialog *sel = GTK_FONT_SELECTION_DIALOG(m_widget);
 130
 131     gtk_signal_connect( GTK_OBJECT(sel->ok_button), "clicked",
 132       GTK_SIGNAL_FUNC(gtk_fontdialog_ok_callback), (gpointer*)this );
 133
 134     // strange way to internationalize
 135     gtk_label_set( GTK_LABEL( BUTTON_CHILD(sel->ok_button) ), wxConvCurrent->cWX2MB(_("OK")) );
 136
 137     gtk_signal_connect( GTK_OBJECT(sel->cancel_button), "clicked",
 138       GTK_SIGNAL_FUNC(gtk_fontdialog_cancel_callback), (gpointer*)this );
 139
 140     // strange way to internationalize
 141     gtk_label_set( GTK_LABEL( BUTTON_CHILD(sel->cancel_button) ), wxConvCurrent->cWX2MB(_("Cancel")) );
 142
 143     gtk_signal_connect( GTK_OBJECT(m_widget), "delete_event",
 144         GTK_SIGNAL_FUNC(gtk_fontdialog_delete_callback), (gpointer)this );
 145
 146     wxFont font = m_fontData.GetInitialFont();
 147     if( font.Ok() )
 148     {
 149         wxNativeFontInfo *info = font.GetNativeFontInfo();
 150
 151         if ( info )
 152         {
 153             const wxString& fontname = info->GetXFontName();
 154             if ( !fontname )
 155                 font.GetInternalFont();
 156             gtk_font_selection_dialog_set_font_name
 157             (
 158                 sel,
 159                 wxConvCurrent->cWX2MB(fontname)
 160             );
 161         }
 162         else
 163         {
 164             // this is not supposed to happen!
 165             wxFAIL_MSG(_T("font is ok but no native font info?"));
 166         }
 167     }
 168
 169     return TRUE;
 170 }
 171
 172 wxFontDialog::~wxFontDialog()
 173 {
 174 }
 175
 176 void wxFontDialog::SetChosenFont(const char *fontname)
 177 {
 178     m_fontData.SetChosenFont(wxFont(fontname));
 179 }
 180
 181 #endif // wxUSE_FONTDLG
 182